1.(　 )The Changjiang River is _________ river in China.

A. as long as　　 B. so long as　　　 C. long　　　　 D. the longest

30.　 Mary has as _________ oranges as her sister. (much)

29.　 The teacher was very _________ to hear that. (pleased)

28.　 They talked to each other __________. (quiet)

27.　 She swims __________ in her class. (fast)

26.　 How _________ the children are playing! (happy)

25.　 There is _________ rain this year than last year. (much)

24.　 The blue one is _____ of all. (cheap)

23.　 It doesn’t matter this time. But come _______ next time. (early)

22.　 The students are ________getting ready for their lessons.(busily)